- Country
- United States of America (USA)
- Manufacturer / Brand
- Midland International Corporation, Midland Electronics Company; Kansas City, KS, MO
- Year
- 1998 ??
- Category
- Amateur TRX: Transmitter/Receiver (and Transceiver)
- Radiomuseum.org ID
- 251329
- Number of Transistors
- Semiconductors present.
- Semiconductors
- Main principle
- Transceiver
- Wave bands
- VHF incl. FM and/or UHF (see notes for details)
- Power type and voltage
- Storage and/or dry batteries / AA: 3 x 1,5 Volt
- Loudspeaker
- Permanent Magnet Dynamic (PDyn) Loudspeaker (moving coil)
- Material
- Plastics (no bakelite or catalin)
- from Radiomuseum.org
- Model: Alan 507 - Midland International
- Shape
- Very small Portable or Pocket-Set (Handheld) < 8 inch.
- Dimensions (WHD)
- 50 x 100 x 30 mm / 2 x 3.9 x 1.2 inch
- Notes
-
GENERALI
N. canali ........................................................................................... 69
Passo di canalizzazione ................................................. 25 KHz
Gamma di frequenza ......................................................... 433.075- 434.775 MHz
Durata batterie .............................................................. 45 ore circa
Batterie ......................................... 3 alcaline 1.5V tipo AA o 1.2 V al Ni-CD
Temperatura ................ -10°C - +55°C
Controllo della frequenza ........... PLL sintetizzato
Stabilità della frequenza ......................... ± 2.5 PPM
Peso ............................................................................ 100 gr.
Dimensioni ................................................ 50 x 100 x 30 mm
RICEVITORE
Sensibilità 12dB SINAD .................................... migliore di 0.35mV
Gamma squelch ..................................................... automatica
Potenza d’uscita audio ...............................................0.3Watts (max)
Risposta in frequenza ............................................ 300 - 3000 Hz
Frequenza intermedie .............................IF : 21.4MHz... 2’ND IF : 0.455MHz
TRASMETTITORE
Gamma di frequenza .......................................... 433.075- 434.775 MHz
Potenza d’uscita ................................................................... 10mW
Tipo di modulazione ..................................................................FM
Deviazione ................................................................. ± 4.5 KHz (max)
Emissioni spurie ...................................................... meno di 250 nW
Tolleranza di frequenza ........................................... ± 2.5PPM (-10°C-+55°C)
Corrente assorbita ...................................................... meno di 100mA
Presa per microfono esterno ...................................... jack stereo 3,5
- Net weight (2.2 lb = 1 kg)
- 0.1 kg / 0 lb 3.5 oz (0.22 lb)
- Author
- Model page created by Edoardo Sigismondo. See "Data change" for further contributors.
- Other Models
-
Here you find 205 models, 190 with images and 30 with schematics for wireless sets etc. In French: TSF for Télégraphie sans fil.
All listed radios etc. from Midland International Corporation, Midland Electronics Company; Kansas City, KS, MO
Collections
The model Alan is part of the collections of the following members.